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/*!
\class SoTransformation SoTransformation.h Inventor/nodes/SoTransformation.h
\brief The SoTransformation class is the abstract base class for transformation nodes.
\ingroup nodes
To position and orient geometry within the 3D world space, various
node types for transformations are used. These nodes all inherit the
SoTransformation base class.
Note that transformations will be accumulated through the scene
graph, unless used under SoSeparator nodes, where the transformation
matrix stack will be pushed and popped. Here is a short example
demonstrating this principle:
\verbatim
#Inventor V2.1 ascii
Separator {
BaseColor { rgb 1 0 0 }
Cone { }
Translation { translation 3 0 0 }
Separator {
Rotation { rotation 1 0 0 1.57 }
BaseColor { rgb 0 1 0 }
Cone { }
} # SoSeparator restores transformation matrix here
Translation { translation 3 0 0 }
Rotation { rotation 1 0 0 1.57 }
BaseColor { rgb 0 0 1 }
Cone { }
Translation { translation 3 0 0 }
# Last SoRotation was not within SoSeparator, so this next
# SoRotation will accumulate with the previous.
Rotation { rotation 1 0 0 1.57 }
BaseColor { rgb 1 1 0 }
Cone { }
}
\endverbatim
Which results in the following scene: